501 



30" 



s 20h 



■a 



o 

 S 



10- 



a i* 



A 5° 



A 



rP 



A Modified hammer 

 D Hammer No. 2 



30 oo 



I 



10 



20 30 



Hammer No. 1 - 8140 



40 



50 



Figure 12. Plot of Schmidt Hammer data - dry. 



a 38- 



10 20 30 40 50 



Dry Tests 



Figure 13. Plot of modified Schmidt Hammer data. 

 42 



